Move doc links to point to main (#121823)
Summary:
The previous links were pointing to an outdated branch
Command: `find . -type f -exec sed -i "s:docs/main:docs/master:g" {} + `
X-link: https://github.com/pytorch/pytorch/pull/121823
Approved by: https://github.com/albanD, https://github.com/malfet
bypass-github-export-checks
This diff is triggering errors due to difference on base. This is due to the rebase and how phabricator compares against base;
Reviewed By: huydhn
Differential Revision: D54969794
fbshipit-source-id: 187746ce0b5b22b79dd71f325e9a74fabef6fa70
